{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:G4I7ZWZJSUTY5PEG6KM4VXU6BK","short_pith_number":"pith:G4I7ZWZJ","canonical_record":{"source":{"id":"1405.0711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-04T16:15:50Z","cross_cats_sorted":["astro-ph.CO","hep-ex"],"title_canon_sha256":"eb3d6d2f9efe78444289faa3108d17f08802999da691dedd2b327fdae85dbc06","abstract_canon_sha256":"88883ac4fd2fb70037ef9116dc66794dc3f9399a09094107bf591e2096fbbe12"},"schema_version":"1.0"},"canonical_sha256":"3711fcdb2995278ebc86f299cade9e0a89a7f2ee6d8901533f553989a5d4e647","source":{"kind":"arxiv","id":"1405.0711","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0711","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0711v1","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0711","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"pith_short_12","alias_value":"G4I7ZWZJSUTY","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"G4I7ZWZJSUTY5PEG","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"G4I7ZWZJ","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:G4I7ZWZJSUTY5PEG6KM4VXU6BK","target":"record","payload":{"canonical_record":{"source":{"id":"1405.0711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-04T16:15:50Z","cross_cats_sorted":["astro-ph.CO","hep-ex"],"title_canon_sha256":"eb3d6d2f9efe78444289faa3108d17f08802999da691dedd2b327fdae85dbc06","abstract_canon_sha256":"88883ac4fd2fb70037ef9116dc66794dc3f9399a09094107bf591e2096fbbe12"},"schema_version":"1.0"},"canonical_sha256":"3711fcdb2995278ebc86f299cade9e0a89a7f2ee6d8901533f553989a5d4e647","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:49.353495Z","signature_b64":"51JI4wB6uFwIs47eH8v+jSUHll48HatNzz3qCGPVkpDw2lJK5IoyjL0KAhmdtMCnMqZW0QlVYYnsTnQaZS1wDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3711fcdb2995278ebc86f299cade9e0a89a7f2ee6d8901533f553989a5d4e647","last_reissued_at":"2026-05-18T02:45:49.352967Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:49.352967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.0711","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zwcb1NFawp2SImT9cFYsGVNRNcsdZXNO+yRyQ0DsJPOM/O2ljQ10JBYkzALbaBkQ8vl2a+zHmM2PUcBMqdmDCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:50:18.260260Z"},"content_sha256":"95d65e25c58d94e767f8d25c948a3371cb02b921a25b6e6ad3a7d111d59127ac","schema_version":"1.0","event_id":"sha256:95d65e25c58d94e767f8d25c948a3371cb02b921a25b6e6ad3a7d111d59127ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:G4I7ZWZJSUTY5PEG6KM4VXU6BK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of Mass Varying Neutrinos on Cosmological Parameters as determined from the Cosmic Microwave Background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ex"],"primary_cat":"hep-ph","authors_text":"Akshay Ghalsasi, Ann E. Nelson","submitted_at":"2014-05-04T16:15:50Z","abstract_excerpt":"In models with a light scalar field (the `acceleron') coupled to neutrinos, neutrino masses depend on neutrino density. The resulting coupled system of mass varying neutrinos (MaVaNs) and the acceleron can act as a negative pressure fluid and is a candidate for dark energy \\cite{Fardon:2003eh} . MaVaNs also allow for higher $\\Sigma$m$_\\nu$ than terrestrial bounds, giving late forming warm dark matter. In this paper we study the effect of increasing neutrino mass on the CMB spectrum, implementing MaVaNs cosmology using CMBEASY. We find that the CMB spectrum is only affected at very low multipol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0711","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aK3H59uukcgOwHbGBdENPSJ9zSe5JrkZQNVfzEP4YqW/AlF5l6RgmSgQQMAGKHFluG8DOqMpWZUN+OKRjYNzAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:50:18.260896Z"},"content_sha256":"eaa16cc8b126732b94601e1fe867b47e4052bf44907d7fa76181a0058b03499e","schema_version":"1.0","event_id":"sha256:eaa16cc8b126732b94601e1fe867b47e4052bf44907d7fa76181a0058b03499e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/bundle.json","state_url":"https://pith.science/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-06T22:50:18Z","links":{"resolver":"https://pith.science/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK","bundle":"https://pith.science/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/bundle.json","state":"https://pith.science/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G4I7ZWZJSUTY5PEG6KM4VXU6BK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:G4I7ZWZJSUTY5PEG6KM4VXU6BK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"88883ac4fd2fb70037ef9116dc66794dc3f9399a09094107bf591e2096fbbe12","cross_cats_sorted":["astro-ph.CO","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-04T16:15:50Z","title_canon_sha256":"eb3d6d2f9efe78444289faa3108d17f08802999da691dedd2b327fdae85dbc06"},"schema_version":"1.0","source":{"id":"1405.0711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0711","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0711v1","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0711","created_at":"2026-05-18T02:45:49Z"},{"alias_kind":"pith_short_12","alias_value":"G4I7ZWZJSUTY","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"G4I7ZWZJSUTY5PEG","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"G4I7ZWZJ","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:eaa16cc8b126732b94601e1fe867b47e4052bf44907d7fa76181a0058b03499e","target":"graph","created_at":"2026-05-18T02:45:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In models with a light scalar field (the `acceleron') coupled to neutrinos, neutrino masses depend on neutrino density. The resulting coupled system of mass varying neutrinos (MaVaNs) and the acceleron can act as a negative pressure fluid and is a candidate for dark energy \\cite{Fardon:2003eh} . MaVaNs also allow for higher $\\Sigma$m$_\\nu$ than terrestrial bounds, giving late forming warm dark matter. In this paper we study the effect of increasing neutrino mass on the CMB spectrum, implementing MaVaNs cosmology using CMBEASY. We find that the CMB spectrum is only affected at very low multipol","authors_text":"Akshay Ghalsasi, Ann E. Nelson","cross_cats":["astro-ph.CO","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-04T16:15:50Z","title":"Effects of Mass Varying Neutrinos on Cosmological Parameters as determined from the Cosmic Microwave Background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0711","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:95d65e25c58d94e767f8d25c948a3371cb02b921a25b6e6ad3a7d111d59127ac","target":"record","created_at":"2026-05-18T02:45:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"88883ac4fd2fb70037ef9116dc66794dc3f9399a09094107bf591e2096fbbe12","cross_cats_sorted":["astro-ph.CO","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-04T16:15:50Z","title_canon_sha256":"eb3d6d2f9efe78444289faa3108d17f08802999da691dedd2b327fdae85dbc06"},"schema_version":"1.0","source":{"id":"1405.0711","kind":"arxiv","version":1}},"canonical_sha256":"3711fcdb2995278ebc86f299cade9e0a89a7f2ee6d8901533f553989a5d4e647","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3711fcdb2995278ebc86f299cade9e0a89a7f2ee6d8901533f553989a5d4e647","first_computed_at":"2026-05-18T02:45:49.352967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:49.352967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"51JI4wB6uFwIs47eH8v+jSUHll48HatNzz3qCGPVkpDw2lJK5IoyjL0KAhmdtMCnMqZW0QlVYYnsTnQaZS1wDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:49.353495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.0711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95d65e25c58d94e767f8d25c948a3371cb02b921a25b6e6ad3a7d111d59127ac","sha256:eaa16cc8b126732b94601e1fe867b47e4052bf44907d7fa76181a0058b03499e"],"state_sha256":"c243d52f63fc09936c2156e8569a7f8f0eab7e1ecfd5802f9488ccf637e285a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CCN0T0BgcBijq58Hf22MBAN+qBvmX96FS/3TS0tlyDbdWdcx12D4bEkQoaZwwRH5Tuf0SJqm62CAJQ6RhgK4Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T22:50:18.264532Z","bundle_sha256":"2a33ad2b223e80d278e59ac809765b58d74bec9b67f8a627593079e35aad7a25"}}